package stack

type ErrStackOverflow struct{}

func (e *ErrStackOverflow) Error() string {
	return "stack_with_frame overflow"
}

type ErrPopEmptyStack struct{}

func (e *ErrPopEmptyStack) Error() string {
	return "stack_with_frame is empty"
}

type ErrPopBaseStackFrame struct{}

func (e *ErrPopBaseStackFrame) Error() string {
	return "frame is base frame"
}
